{
    "$schema": "https://json-schema.org/draft-07/schema#",
    "type": "object",
    "required": [
        "routeStart",
        "routeEnd",
        "routeId",
        "updated",
        "signallerStart",
        "signallerEnd",
        "elecStart",
        "elecEnd",
        "routeDetail"
    ],
    "additionalProperties": false,
    "properties": {
        "routeStart": {
            "type": "string",
            "description": "The route start point"
        },
        "routeEnd": {
            "type": "string",
            "description": "The route end point"
        },
        "routeId": {
            "type": "string",
            "description": "The routes ID Code",
            "pattern": "^[0-9]{4}$"
        },
        "updated": {
            "type": "string",
            "format": "date",
            "description": "Date the route was last updated"
        },
        "checked": {
            "type": "string",
            "format": "date",
            "description": "Date the route was last checked for accuracy"
        },
        "signallerStart": {
            "type": "string",
            "description": "The signaller at the start of the route"
        },
        "signallerEnd": {
            "type": "string",
            "description": "The signalller at the end of the route"
        },
        "elecStart": {
            "$ref": "#/definitions/elecInfo",
            "description": "Electrification details at the route start"
        },
        "elecEnd": {
            "$ref": "#/definitions/elecInfo",
            "description": "Electrification info at the end of the route"
        },
        "routeDetail": {
            "type": "array",
            "additionalItems": false,
            "items": {
                "anyOf": [
                    {
                        "$ref": "#/definitions/bridge"
                    },
                    {
                        "$ref": "#/definitions/crossing"
                    },
                    {
                        "$ref": "#/definitions/crossover"
                    },
                    {
                        "$ref": "#/definitions/electrificationChange"
                    },
                    {
                        "$ref": "#/definitions/junction"
                    },
                    {
                        "$ref": "#/definitions/loop"
                    },
                    {
                        "$ref": "#/definitions/routeContinuation"
                    },
                    {
                        "$ref": "#/definitions/siteof"
                    },
                    {
                        "$ref": "#/definitions/station"
                    },
                    {
                        "$ref": "#/definitions/tunnel"
                    },
                    {
                        "$ref": "#/definitions/signallerChange"
                    }
                ]
            }
        }
    },
    "definitions": {
        "elecInfo": {
            "type": "object",
            "properties": {
                "elec": {
                    "type": "string",
                    "enum": [
                        "25kvac",
                        "750vdc",
                        "650vdc",
                        "1500vdc",
                        "none"
                    ]
                },
                "eco": {
                    "type": "string"
                }
            },
            "required": [
                "elec"
            ]
        },
        "bridge": {
            "type": "object",
            "properties": {
                "type": {
                    "type": "string",
                    "enum": [
                        "bridge",
                        "minorBridge"
                    ]
                },
                "roadName": {
                    "type": "string"
                },
                "name": {
                    "type": "string"
                },
                "description": {
                    "type": "string"
                },
                "position": {
                    "type": "string",
                    "enum": [
                        "over",
                        "under"
                    ]
                },
                "category": {
                    "type": "string",
                    "enum": [
                        "road",
                        "aroad",
                        "motorway",
                        "foot",
                        "waterway",
                        "stream",
                        "rail",
                        "minorRoad",
                        "pipeline"
                    ]
                },
                "miles": {
                    "type": "number"
                },
                "chains": {
                    "type": "number"
                }
            },
            "required": [
                "type",
                "position",
                "category",
                "miles",
                "chains"
            ],
            "additionalProperties": false
        },
        "crossing": {
            "type": "object",
            "properties": {
                "type": {
                    "type": "string",
                    "const": "crossing"
                },
                "kind": {
                    "type": "string",
                    "enum": [
                        "CCTV",
                        "AHB",
                        "uwc",
                        "foot",
                        "omsl",
                        "r/g",
                        "msl",
                        "mcb",
                        "mg",
                        "mcg",
                        "aocl"
                    ]
                },
                "name": {
                    "type": "string"
                },
                "description": {
                    "type": "string"
                },
                "miles": {
                    "type": "number"
                },
                "chains": {
                    "type": "number"
                }
            },
            "required": [
                "type",
                "kind",
                "name",
                "miles",
                "chains"
            ],
            "additionalProperties": false
        },
        "crossover": {
            "type": "object",
            "properties": {
                "type": {
                    "type": "string",
                    "const": "crossovers"
                },
                "name": {
                    "type": "string"
                },
                "description": {
                    "type": "string"
                },
                "miles": {
                    "type": "number"
                },
                "chains": {
                    "type": "number"
                }
            },
            "required": [
                "type",
                "name",
                "miles",
                "chains"
            ],
            "additionalProperties": false
        },
        "electrificationChange": {
            "type": "object",
            "properties": {
                "type": {
                    "type": "string",
                    "const": "electrificationChange"
                },
                "miles": {
                    "type": "number"
                },
                "chains": {
                    "type": "number"
                },
                "from": {
                    "type": "object",
                    "properties": {
                        "elec": {
                            "type": "string",
                            "enum": [
                                "25kvac",
                                "750vdc",
                                "650vdc",
                                "1500vdc",
                                "none"
                            ]
                        },
                        "eco": {
                            "type": "string"
                        }
                    },
                    "required": [
                        "elec"
                    ],
                    "additionalProperties": false
                },
                "to": {
                    "type": "object",
                    "properties": {
                        "elec": {
                            "type": "string",
                            "enum": [
                                "25kvac",
                                "750vdc",
                                "650vdc",
                                "1500vdc",
                                "none"
                            ]
                        },
                        "eco": {
                            "type": "string"
                        }
                    },
                    "required": [
                        "elec"
                    ],
                    "additionalProperties": false
                }
            },
            "required": [
                "miles",
                "chains"
            ],
            "additionalProperties": false
        },
        "junction": {
            "type": "object",
            "properties": {
                "type": {
                    "type": "string",
                    "const": "junction"
                },
                "name": {
                    "type": "string"
                },
                "description": {
                    "type": "string"
                },
                "diverges": {
                    "type": "string",
                    "enum": [
                        "left",
                        "right",
                        "both"
                    ]
                },
                "direction": {
                    "type": "string",
                    "enum": [
                        "up",
                        "down",
                        "both"
                    ]
                },
                "miles": {
                    "type": "number"
                },
                "chains": {
                    "type": "number"
                },
                "elecBranch": {
                    "type": "string",
                    "enum": [
                        "25kvac",
                        "750vdc",
                        "650vdc",
                        "1500vdc",
                        "none"
                    ]
                },
                "goto": {
                    "type": "string"
                },
                "entryPoint": {
                    "type": "string"
                }
            },
            "required": [
                "name",
                "diverges",
                "direction",
                "miles",
                "chains",
                "type"
            ],
            "additionalProperties": false
        },
        "loop": {
            "type": "object",
            "properties": {
                "type": {
                    "type": "string",
                    "const": "loop"
                },
                "name": {
                    "type": "string"
                },
                "description": {
                    "type": "string"
                },
                "position": {
                    "type": "string",
                    "enum": [
                        "left",
                        "right",
                        "both"
                    ]
                },
                "miles": {
                    "type": "number"
                },
                "chains": {
                    "type": "number"
                },
                "elecLoop": {
                    "type": "string",
                    "enum": [
                        "25kvac",
                        "750vdc",
                        "650vdc",
                        "1500vdc",
                        "none"
                    ]
                }
            },
            "required": [
                "type",
                "name",
                "position",
                "miles",
                "chains"
            ],
            "additionalProperties": false
        },
        "routeContinuation": {
            "type": "object",
            "properties": {
                "type": {
                    "type": "string",
                    "const": "continues"
                },
                "routeName": {
                    "type": "string",
                    "description": "Name to display"
                },
                "routeId": {
                    "type": "string",
                    "description": "Id of route"
                },
                "entryPoint": {
                    "type": "string",
                    "description": "Entrypoint of other route (lowercase, replacing whitespace with -, junction always referred to as jn"
                }
            },
            "required": [
                "type",
                "routeName",
                "routeId",
                "entryPoint"
            ],
            "additionalProperties": false
        },
        "siteof": {
            "type": "object",
            "properties": {
                "type": {
                    "type": "string",
                    "const": "siteof"
                },
                "name": {
                    "type": "string"
                },
                "description": {
                    "type": "string"
                },
                "miles": {
                    "type": "number"
                },
                "chains": {
                    "type": "number"
                }
            },
            "required": [
                "type",
                "name",
                "miles",
                "chains"
            ],
            "additionalProperties": false
        },
        "station": {
            "type": "object",
            "properties": {
                "type": {
                    "type": "string",
                    "const": "station"
                },
                "name": {
                    "type": "string"
                },
                "description": {
                    "type": "string"
                },
                "miles": {
                    "type": "number"
                },
                "chains": {
                    "type": "number"
                }
            },
            "required": [
                "type",
                "name",
                "miles",
                "chains"
            ]
        },
        "tunnel": {
            "type": "object",
            "properties": {
                "type": {
                    "type": "string",
                    "const": "tunnel"
                },
                "name": {
                    "type": "string"
                },
                "description": {
                    "type": "string"
                },
                "tunnelType": {
                    "type": "string",
                    "enum": [
                        "start",
                        "end",
                        "mid",
                        "whole"
                    ]
                },
                "length": {
                    "type": "string",
                    "pattern": ""
                },
                "miles": {
                    "type": "number"
                },
                "chains": {
                    "type": "number"
                }
            },
            "required": [
                "type",
                "name",
                "tunnelType",
                "miles",
                "chains"
            ],
            "additionalProperties": false
        },
        "signallerChange": {
            "type": "object",
            "properties": {
                "type": {
                    "type": "string",
                    "const": "signallerChange"
                },
                "from": {
                    "type": "string"
                },
                "to": {
                    "type": "string"
                },
                "miles": {
                    "type": "number"
                },
                "chains": {
                    "type": "number"
                }
            },
            "required": [
                "from",
                "to",
                "miles",
                "chains"
            ],
            "additionalProperties": false
        }
    }
}